Quests take place is various locations in the world. Each location has several stages. In order to unlock the next Quest/ Location, you have to clear all the maps within the stage. You can replay the previously completed maps for more rewards, items, or backtracking missed Dragon Balls. The stages are in Normal Difficulty. Clearing them will unlock the next difficulty and so on.
The stage layout is akin to a board game. The player needs to select one of the three randomly generated numbers and his/her marker will move on the available spaces based on the number selected. There are scattered items, traps, stat boosts, and encounters along the way. Stopping on any of these objects will instantly cause the designated effect. There are also fixed encounters where you'll be forced to engage regardless of the number of moves you selected. Near the end of every stage, there's a boss waiting. Defeat the boss and move to the last slot of the stage to complete it. It's ideally recommended to get the most out of every stage visit since the number of moves you can pull is still randomized.